UTICA BOILERS UB95M-200 Installation, Operation & Maintenance Manual page 18

DANGER
!
Fire Hazard. Do not use matches, candles, open
fl ames, or other methods providing ignition source.
Failure to comply will result in death or serious
injury.
9.3 Leak Check Gas Piping
After making gas connections, open manual shutoff
valve(s) and check all gas connections for leaks before
placing boiler in operation.
Locate leakage using gas detector, noncorrosive detection
fl uid, or other leak detection method acceptable to
authority having jurisdiction. Do not use matches, candles,
open fl ames, or other methods providing ignition source.
Correct leaks immediately and retest.
9 - GAS SUPPLY PIPING
Figure 10 - Gas Piping
18